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2
votes
0answers
188 views

Criticism of physics in _The Beginning of Infinity_? [closed]

Have any criticisms been written of the physics presented in David Deutsch's book The Beginning of Infinity? Does he make any mistakes? If so, please refer me to them.
0
votes
2answers
3k views

Where do black holes go?

According to many physicists, any matter near a black hole is obviously gravitated towards it, and transported to a parallel universe. As far as i know, black holes are made up of material particles, ...
-1
votes
1answer
59 views

What is the difference and/or similarity between multiple universes in inflation and in quantumphysics? [duplicate]

Some theories propose that there are more universes. In one of them it is said that there are parallel universes, due to inflations after the big bang that created them. But in the two-slit ...
7
votes
4answers
828 views

Experimental evidence for parallel universes/multiverses

My idea of physics is that it is a collection of mathematical laws relating observables. And that one can perform alot of mathematical derivations on these laws to produce new laws between observables....
6
votes
4answers
2k views

Does physics claim that every possible world has or will exist? [closed]

Has physics proven that every possible world has or will exist? Someone on-line, who actually seems fairly intelligent, but troll-ish, claims that there is good reasons for it, not from any ...
3
votes
0answers
82 views

Why is Weinberg's prediction of omega sub lambda ($\Omega_{\Lambda}$) other than sophisiticated tautology?

I am not a physicist, but I do have a background in engineering (EE and computer science) and have followed physics and cosmology on a primarily conceptual basis for many years. I have looked at ...
1
vote
1answer
132 views

Why do fundamental particles have charge? [duplicate]

More specifically, what is in the nature of these particles that they carry a charge, and thus repel objects of similar charge and attract those of opposite charge? Also, why would the charge of an ...
1
vote
0answers
68 views

Black Holes and the Multiverse [closed]

Are there any peer-reviewed theories which explore the idea that black holes in our universe may spawn other universes - or that our universe came from a black-hole-like event in another universe? ...
2
votes
0answers
55 views

If our universe is a “baby universe” [closed]

There are several theories that claim that our universe is simply a black hole in a "parent" universe: Stephen Hawking wrote a book called Black Holes and Baby Universes. Here he talks about black ...
3
votes
0answers
69 views

Multiple Intersecting Universes [closed]

I am not a relativist or cosmologist, so this is very qualitative: I imagine a pair of universes, where each has two spatial dimensions (plus time), embedded in a 3-D (plus time) space, and these ...
1
vote
0answers
34 views

Multiverse fictional constraints [closed]

In a multiverse the only thing that does not exist is fiction - true / false ? Specifically is anything fictional ever written (Star Wars, Harry Potter, Last and First Men etc etc) actually non ...
3
votes
1answer
93 views

Is a type I Universe possible?

A type I universe (according to Max Tegmark) is a universe that is infinite and looks everywhere more or less like our universe does. Tegmark claims that within this infinity there are regions say ...
3
votes
1answer
104 views

Universe vs Multiverse. Time and Space

Wikipedia defines a multiverse as a hypothetical set of finite and infinite possible universes. Similarly, it defines the Universe is as "all of time and space and its contents". On the surface, ...
2
votes
2answers
199 views

Can multiple timelines exist according to theoretical physics? [closed]

Multiple timelines is not a reality yet (as of 2016's science and technology), but exists only in Marvel/DC universe. It is something that is used to explain the paradox of time-travel. If you go back ...
1
vote
1answer
84 views

Could our universe be destroyed within seconds? [closed]

I'm not that deep in physics. But some days ago I read, there could be different coexisting universes, which could even share "space" (or what ever it is) where each of them could have absolutely ...
2
votes
3answers
1k views

How do we prove the existence of a multiverse?

How do we prove that a multiverse exists? Scientists are talking about our universe not being the only universe, but even if that is true, how can we prove the existence of multiverse? We are being '...
0
votes
2answers
3k views

Can we actually prove with 100% accuracy that there are more than 3 dimensions plus time (t,x,y,z)? [duplicate]

Can we actually prove with 100% accuracy that there are more than 3 dimensions plus time? In the news there are always articles like "there are probably 7, 11 or more dimensions", "time is actually ...
1
vote
2answers
148 views

Inflation in a closed universe or a stage 1 multiverse?

With the discovery of gravitational waves, Max Tegmark has been using this to promote his level 1 multiverse in that the universe is open (non-compact) and everything duplicates. My question is, are ...
5
votes
4answers
920 views

Can a perfectly mathematically describable universe exist in a multiverse?

Assuming inter-universal (see here) travel is possible, can a perfectly mathematically describable universe exist inside a multiverse? If it could, would that mean that the multiverse is ...
12
votes
2answers
4k views

How can the mass of Higgs give preference to SUSY vs multiverse?

According to the documentary Particle Fever, the precise value of the Higgs boson's mass could give more credence to either SUSY or multiverse theories. If the mass had been 115 GeV or below SUSY ...
8
votes
2answers
18k views

Supersymmetry vs multiverse

I'm a complete noobe in physics and quite honestly need help. My question is simple, based on CERN's tentative findings stating the Higgs boson at a mass of ~125 GeV: Is the physics community leaning ...
0
votes
3answers
145 views

Is there any mathematical structure modelling parallel universes (multiverse)?

Is there any mathematical structure modelling parallel universes (multiverse)? If we established such structure, is it science or science-fiction?
0
votes
1answer
804 views

Stephen Hawking's theory of multiple universes [closed]

Is it correct to think that there are multiple universes? Does my thinking of having more than one big bang?
2
votes
1answer
82 views

How can bubble collision happen if there is no space and time outside the universe?

The question is almost self-explanatory. What I am trying to say is that if there are no space-time outside our universe, how does collisions even happen. I am having a hard time explaining this ...
6
votes
2answers
155 views

What laws are the same in all string theory compactifications?

In the string theory landscape, the set of particles we observe, their masses and interaction strengths originate from one of many different possible compactifications. What fundamental physical ...
1
vote
1answer
90 views

Parallel Universe Moving Backwards in time [duplicate]

We know that different parallel universes- if they truly exist - are governed by different sets of laws. But, Could there be a parallel universe that is moving back in time(?) - in different direction ...
4
votes
0answers
94 views

Are the fundamental constants of nature independent?

Background: I am a layman and I just watched the video "Infinite Worlds: A Journey through Parallel Universes" (http://www.youtube.com/watch?v=OO4uzgiRHkE) featuring a discussion with Andrei Linde, ...
0
votes
2answers
133 views

multiverse fabric of reality

Source-"fabric of reality"- author d. deutsch - his contention, as I understand it, is that quantum interference is caused by "almost, but not identical quite quantum entities" , e.g. electrons, from ...
-1
votes
1answer
175 views

What lies at the very edge of the expanding universe? [duplicate]

We all know that the universe is expanding at an accelerated rate and it might appear much like a soap bubble. That is where the phrase dark energy whose essence is unknown and which is thought to ...
2
votes
3answers
2k views

Can existing quantum computers be considered evidence for parallel universes?

In this video ( http://www.youtube.com/watch?v=bJpIclDmi2M ) Max Tegmark , a MIT cosmologist says that if we build a quantum computing successfully it will be a evidence that Parallel Universes exists,...
1
vote
5answers
2k views

If the multiverse theory is true, can there be a Universe where there are different laws of physics?

This is probably a very difficult question. But my question is essentially this, if there are other Universes can different laws of physics exist in those Universes and if so, can't there be a ...
0
votes
1answer
184 views

Conservation of energy in a multiverse

When I was studying about classical mechanics, I learned about Hamiltonian mechanics. In a example problem, we saw that in a system of just one capacitor, energy seemed to flow in and out and the ...
1
vote
0answers
121 views

Is multiverse generally accepted among cosmologists? [closed]

Is it consensus among cosmologist that there is probably at least one type of multiverse? Is there any renowned physicist who rejects the idea of multiverse? I'm not talking about those who claim it's ...
2
votes
3answers
441 views

How do you define a “universe” (in the context of multiverse)?

How do you define a universe (in the context of multiverse)? The traditional definition of universe is something like "The Universe is all of spacetime and everything that exists therein". But in ...
1
vote
6answers
235 views

Meaning of probability in a multiverse/a many-world interpretation?

Consider me tossing a coin and I got tail as a result on observing it. Then, what would be the result of the 'parallel me' in another universe? If the 'parallel me' gets head as a result then, ...
-1
votes
1answer
58 views

Does the lack of absurdities in our universe call into question the validity of multi verse theories? [closed]

Does the lack of absurdities in our universe call into question the validity of multi verse theories? If the theories about multi verse are to be true and we have explained the immensely improbable ...
0
votes
3answers
230 views

According to wave function collapse you only have one outcome, so what happens to the other superpositions?

If the superpositions of a wave function are not needed because only one of the superpositions is allowed, what happens to the eigenvalues of the "null" superpositions? Is the energy transferred ...
0
votes
0answers
239 views

Colliding bubbles in hyperspace

Assuming the following A universe is the surface from a bubble in hyperspace. Inside a bubble there is nothing, only the surface represents a universe. The size of the bubble is time. Dark matter is ...
0
votes
2answers
744 views

How could the multiverse theory be disproven?

Theorists (physicists) suggest that there is the term/entity, the Multiverse that contains a huge number of universes not necessarily like our own. I personally find this theory very elegant because ...
3
votes
2answers
239 views

How does the friedmon solution to Einstein's equations resolve paradox of bounded infinities?

This article talks about a potential explanation of dark matter based on something called the "friedmon." I have no interest in the dark matter question, but the article has made me curious about ...
-1
votes
1answer
317 views

Can parallel universes constitute the missing mass aka dark matter?

I was pondering about this question for a while now. And with my limited knowledge of physics I can answer myself - if parallel universe theory is true and if indeed there is gravitation leakage from ...
3
votes
1answer
141 views

Does inflation predict a multiverse?

Does inflation necessarily predict a multiverse? Or is it the case that "It all depends on the properties of the initial field responsible for inflation, about which we can only speculate"?
2
votes
2answers
228 views

A question about multiverse

I have a question that I would like to ask here since I'm not an expert or any near to that. Actually I just came up with this question when I was watching The fabric of cosmos. I couldn't find where ...
0
votes
0answers
115 views

Test for Many Worlds Hypothesis

If one actually ran an experiment similar to the Schrodinger's cat thought experiment, and ran it enough times (with the same cat) to get the confidence interval good enough, could one say that ...
2
votes
0answers
225 views

How plausible an explanation is Quantum Information Theory regarding Quantum Collapse?

I watched this Google Tech Talk recently - Quantum Conspiracy Now I have done some investigating concerning these ideas and their implications, and also have dug up two relevant science papers ...
0
votes
1answer
98 views

Theoretical String Landscape Question

Could it be plausible that the same theoretical string "shape" occurs twice. As in two or more universes with the same amount of dark energy and string shape. The term "shape" I'm defining as based ...
3
votes
0answers
97 views

Are frequency and likelihood the same across the multiverse?

My probability text distinguishes between two interpretations of probability values: the frequency of occurrence "as percentage of success in a moderately large number of similar situations" (coin ...
4
votes
0answers
165 views

What is the theoretical geometry of bubble universes?

My research has led me to look into the idea of bubble universes which I don't know very much about. The first thing that I am looking for is understanding or visualising how could many bubbles co-...
1
vote
1answer
373 views

Fine tuning: why is multiverse with anthropic principle considered a better explanation than anthropic principle alone?

I got the impression from several public lectures that, when it comes to the fine tuning problem, physicists tend to give multiverse together with anthropic principle as a plausible solution, but ...
4
votes
5answers
193 views

Could there be more universes?

In the documentary: "Curiosity - Did God Create the Universe (on YouTube)", theoretical physicist and cosmologist Stephen Hawking states that time did not exist before the big bang. The first ...